Start decompiling battle_anim_812C144

3 files changed, 111 insertions, 295 deletions

diff --git a/asm/battle_anim_812C144.s b/asm/battle_anim_812C144.s
index e49873ee6..46eeab67c 100644
--- a/asm/battle_anim_812C144.s
+++ b/asm/battle_anim_812C144.s
@@ -4,301 +4,6 @@
 	.syntax unified
 
 	.text
-	
-	thumb_func_start sub_812C144
-sub_812C144: @ 812C144
-	push {lr}
-	adds r2, r0, 0
-	ldr r1, _0812C168 @ =gBattleAnimArgs
-	ldrh r0, [r1]
-	ldrh r3, [r2, 0x20]
-	adds r0, r3
-	strh r0, [r2, 0x20]
-	ldrh r0, [r1, 0x2]
-	ldrh r3, [r2, 0x22]
-	adds r0, r3
-	strh r0, [r2, 0x22]
-	movs r3, 0x6
-	ldrsh r0, [r1, r3]
-	cmp r0, 0
-	bne _0812C16C
-	ldrh r0, [r1, 0x4]
-	b _0812C170
-	.align 2, 0
-_0812C168: .4byte gBattleAnimArgs
-_0812C16C:
-	ldrh r0, [r1, 0x4]
-	negs r0, r0
-_0812C170:
-	strh r0, [r2, 0x2E]
-	ldrh r0, [r1, 0x8]
-	strh r0, [r2, 0x30]
-	ldr r0, _0812C180 @ =sub_812C184
-	str r0, [r2, 0x1C]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0812C180: .4byte sub_812C184
-	thumb_func_end sub_812C144
-
-	thumb_func_start sub_812C184
-sub_812C184: @ 812C184
-	push {lr}
-	adds r3, r0, 0
-	movs r1, 0x30
-	ldrsh r0, [r3, r1]
-	cmp r0, 0
-	ble _0812C1C4
-	ldrh r1, [r3, 0x32]
-	lsls r0, r1, 16
-	asrs r0, 24
-	strh r0, [r3, 0x24]
-	ldrh r0, [r3, 0x2E]
-	adds r1, r0
-	strh r1, [r3, 0x32]
-	movs r0, 0x3E
-	adds r0, r3
-	mov r12, r0
-	ldrb r2, [r0]
-	lsls r0, r2, 29
-	lsrs r0, 31
-	movs r1, 0x1
-	eors r1, r0
-	lsls r1, 2
-	movs r0, 0x5
-	negs r0, r0
-	ands r0, r2
-	orrs r0, r1
-	mov r1, r12
-	strb r0, [r1]
-	ldrh r0, [r3, 0x30]
-	subs r0, 0x1
-	strh r0, [r3, 0x30]
-	b _0812C1CA
-_0812C1C4:
-	adds r0, r3, 0
-	bl DestroyAnimSprite
-_0812C1CA:
-	pop {r0}
-	bx r0
-	thumb_func_end sub_812C184
-
-	thumb_func_start sub_812C1D0
-sub_812C1D0: @ 812C1D0
-	push {r4-r6,lr}
-	adds r5, r0, 0
-	lsls r5, 24
-	lsrs r5, 24
-	ldr r6, _0812C21C @ =gAnimBankTarget
-	ldrb r0, [r6]
-	movs r1, 0x2
-	bl GetBattlerSpriteCoord
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 8
-	movs r0, 0x80
-	lsls r0, 12
-	adds r4, r0
-	asrs r4, 16
-	ldrb r0, [r6]
-	movs r1, 0x3
-	bl GetBattlerSpriteCoord
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 8
-	movs r0, 0x80
-	lsls r0, 12
-	adds r1, r0
-	asrs r1, 16
-	adds r0, r4, 0
-	movs r2, 0
-	bl sub_8046234
-	adds r0, r5, 0
-	bl DestroyAnimVisualTask
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0812C21C: .4byte gAnimBankTarget
-	thumb_func_end sub_812C1D0
-
-	thumb_func_start sub_812C220
-sub_812C220: @ 812C220
-	push {r4,lr}
-	adds r4, r0, 0
-	movs r0, 0x5A
-	strh r0, [r4, 0x2E]
-	ldr r0, _0812C258 @ =WaitAnimForDuration
-	str r0, [r4, 0x1C]
-	movs r0, 0x7
-	strh r0, [r4, 0x30]
-	ldr r1, _0812C25C @ =sub_812C268
-	adds r0, r4, 0
-	bl StoreSpriteCallbackInData
-	ldr r1, _0812C260 @ =REG_BLDCNT
-	movs r2, 0xFD
-	lsls r2, 6
-	adds r0, r2, 0
-	strh r0, [r1]
-	ldr r2, _0812C264 @ =REG_BLDALPHA
-	ldrh r1, [r4, 0x30]
-	movs r0, 0x10
-	subs r0, r1
-	lsls r0, 8
-	orrs r0, r1
-	strh r0, [r2]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0812C258: .4byte WaitAnimForDuration
-_0812C25C: .4byte sub_812C268
-_0812C260: .4byte REG_BLDCNT
-_0812C264: .4byte REG_BLDALPHA
-	thumb_func_end sub_812C220
-
-	thumb_func_start sub_812C268
-sub_812C268: @ 812C268
-	push {lr}
-	adds r3, r0, 0
-	ldr r2, _0812C29C @ =REG_BLDALPHA
-	ldrh r1, [r3, 0x30]
-	movs r0, 0x10
-	subs r0, r1
-	lsls r0, 8
-	orrs r0, r1
-	strh r0, [r2]
-	ldrh r0, [r3, 0x30]
-	subs r0, 0x1
-	strh r0, [r3, 0x30]
-	lsls r0, 16
-	cmp r0, 0
-	bge _0812C296
-	adds r2, r3, 0
-	adds r2, 0x3E
-	ldrb r0, [r2]
-	movs r1, 0x4
-	orrs r0, r1
-	strb r0, [r2]
-	ldr r0, _0812C2A0 @ =sub_812C2A4
-	str r0, [r3, 0x1C]
-_0812C296:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0812C29C: .4byte REG_BLDALPHA
-_0812C2A0: .4byte sub_812C2A4
-	thumb_func_end sub_812C268
-
-	thumb_func_start sub_812C2A4
-sub_812C2A4: @ 812C2A4
-	push {lr}
-	ldr r1, _0812C2B8 @ =REG_BLDCNT
-	movs r2, 0
-	strh r2, [r1]
-	adds r1, 0x2
-	strh r2, [r1]
-	bl DestroyAnimSprite
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0812C2B8: .4byte REG_BLDCNT
-	thumb_func_end sub_812C2A4
-
-	thumb_func_start sub_812C2BC
-sub_812C2BC: @ 812C2BC
-	push {r4-r7,lr}
-	sub sp, 0x4
-	adds r5, r0, 0
-	ldr r4, _0812C348 @ =gAnimBankTarget
-	ldrb r0, [r4]
-	movs r1, 0x2
-	bl GetBattlerSpriteCoord
-	lsls r0, 24
-	lsrs r0, 24
-	adds r7, r0, 0
-	ldrb r0, [r4]
-	movs r1, 0x3
-	bl GetBattlerSpriteCoord
-	lsls r0, 24
-	lsrs r0, 24
-	adds r6, r0, 0
-	adds r0, r5, 0
-	movs r1, 0x1
-	bl sub_8078764
-	ldrh r0, [r5, 0x20]
-	subs r0, r7
-	lsls r0, 16
-	asrs r0, 16
-	ldrh r1, [r5, 0x22]
-	subs r1, r6
-	lsls r1, 16
-	asrs r1, 16
-	bl ArcTan2Neg
-	lsls r0, 16
-	movs r1, 0xC0
-	lsls r1, 23
-	adds r0, r1
-	lsrs r4, r0, 16
-	bl IsContest
-	lsls r0, 24
-	cmp r0, 0
-	beq _0812C31A
-	movs r1, 0x80
-	lsls r1, 7
-	adds r0, r4, r1
-	lsls r0, 16
-	lsrs r4, r0, 16
-_0812C31A:
-	movs r3, 0x80
-	lsls r3, 1
-	str r4, [sp]
-	adds r0, r5, 0
-	movs r1, 0
-	adds r2, r3, 0
-	bl sub_8078FDC
-	ldr r0, _0812C34C @ =gBattleAnimArgs
-	ldrh r0, [r0, 0x4]
-	strh r0, [r5, 0x2E]
-	strh r7, [r5, 0x32]
-	strh r6, [r5, 0x36]
-	ldr r0, _0812C350 @ =StartTranslateAnimSpriteByDeltas
-	str r0, [r5, 0x1C]
-	ldr r1, _0812C354 @ =DestroyAnimSprite
-	adds r0, r5, 0
-	bl StoreSpriteCallbackInData
-	add sp, 0x4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0812C348: .4byte gAnimBankTarget
-_0812C34C: .4byte gBattleAnimArgs
-_0812C350: .4byte StartTranslateAnimSpriteByDeltas
-_0812C354: .4byte DestroyAnimSprite
-	thumb_func_end sub_812C2BC
-
-	thumb_func_start sub_812C358
-sub_812C358: @ 812C358
-	ldr r2, _0812C378 @ =REG_BLDCNT
-	movs r3, 0xFD
-	lsls r3, 6
-	adds r1, r3, 0
-	strh r1, [r2]
-	adds r2, 0x2
-	movs r3, 0x80
-	lsls r3, 5
-	adds r1, r3, 0
-	strh r1, [r2]
-	movs r1, 0x4
-	strh r1, [r0, 0x2E]
-	ldr r1, _0812C37C @ =sub_812C380
-	str r1, [r0, 0x1C]
-	bx lr
-	.align 2, 0
-_0812C378: .4byte REG_BLDCNT
-_0812C37C: .4byte sub_812C380
-	thumb_func_end sub_812C358
 
 	thumb_func_start sub_812C380
 sub_812C380: @ 812C380
diff --git a/ld_script.txt b/ld_script.txt
index 52f66c537..869e61e5b 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -354,6 +354,7 @@ SECTIONS {
         src/battle/anim/sfx.o(.text);
         src/battle/battle_controller_safari.o(.text);
         src/fldeff_sweetscent.o(.text);
+        src/battle/battle_anim_812C144.o(.text);
         asm/battle_anim_812C144.o(.text);
         src/learn_move.o(.text);
         src/fldeff_softboiled.o(.text);
diff --git a/src/battle/battle_anim_812C144.c b/src/battle/battle_anim_812C144.c
new file mode 100755
index 000000000..4714f5b09
--- /dev/null
+++ b/src/battle/battle_anim_812C144.c
@@ -0,0 +1,110 @@
+#include "global.h"
+#include "battle_anim.h"
+#include "rom_8077ABC.h"
+
+extern s16 gBattleAnimArgs[];
+extern u8 gAnimBankAttacker;
+extern u8 gAnimBankTarget;
+
+extern u8 sub_8046234(s16 x, s16 y, u8 a3);
+
+static void sub_812C184(struct Sprite *sprite);
+static void sub_812C268(struct Sprite *sprite);
+static void sub_812C2A4(struct Sprite *sprite);
+extern void sub_812C380(struct Sprite *sprite);
+
+void sub_812C144(struct Sprite *sprite)
+{
+    sprite->pos1.x += gBattleAnimArgs[0];
+    sprite->pos1.y += gBattleAnimArgs[1];
+
+    if (gBattleAnimArgs[3] == 0)
+        sprite->data[0] = gBattleAnimArgs[2];
+    else
+        sprite->data[0] = -gBattleAnimArgs[2];
+
+    sprite->data[1] = gBattleAnimArgs[4];
+    sprite->callback = sub_812C184;
+}
+
+static void sub_812C184(struct Sprite *sprite)
+{
+    if (sprite->data[1] > 0)
+    {
+        sprite->pos2.x = sprite->data[2] >> 8;
+        sprite->data[2] += sprite->data[0];
+        sprite->invisible ^= 1;
+        sprite->data[1]--;
+    }
+    else
+    {
+        DestroyAnimSprite(sprite);
+    }
+}
+
+void sub_812C1D0(u8 taskId)
+{
+    sub_8046234(
+        GetBattlerSpriteCoord(gAnimBankTarget, 2) + 8,
+        GetBattlerSpriteCoord(gAnimBankTarget, 3) + 8,
+        0);
+    DestroyAnimVisualTask(taskId);
+
+}
+
+void sub_812C220(struct Sprite *sprite)
+{
+    sprite->data[0] = 90;
+    sprite->callback = WaitAnimForDuration;
+    sprite->data[1] = 7;
+    StoreSpriteCallbackInData(sprite, sub_812C268);
+    REG_BLDCNT = 0x3F40;
+    REG_BLDALPHA = ((16 - sprite->data[1]) << 8) | sprite->data[1];
+}
+
+static void sub_812C268(struct Sprite *sprite)
+{
+    REG_BLDALPHA = ((16 - sprite->data[1]) << 8) | sprite->data[1];
+    if (--sprite->data[1] < 0)
+    {
+        sprite->invisible = 1;
+        sprite->callback = sub_812C2A4;
+    }
+}
+
+static void sub_812C2A4(struct Sprite *sprite)
+{
+    REG_BLDCNT = 0;
+    REG_BLDALPHA = 0;
+    DestroyAnimSprite(sprite);
+}
+
+void sub_812C2BC(struct Sprite *sprite)
+{
+    u16 rotation;
+    u8 x = GetBattlerSpriteCoord(gAnimBankTarget, 2);
+    u8 y = GetBattlerSpriteCoord(gAnimBankTarget, 3);
+
+    sub_8078764(sprite, 1);
+
+    rotation = ArcTan2Neg(sprite->pos1.x - x, sprite->pos1.y - y);
+    rotation += 0x6000;
+    if (IsContest())
+        rotation += 0x4000;
+
+    sub_8078FDC(sprite, 0, 0x100, 0x100, rotation);
+
+    sprite->data[0] = gBattleAnimArgs[2];
+    sprite->data[2] = x;
+    sprite->data[4] = y;
+    sprite->callback = StartTranslateAnimSpriteByDeltas;
+    StoreSpriteCallbackInData(sprite, DestroyAnimSprite);
+}
+
+void sub_812C358(struct Sprite *sprite)
+{
+    REG_BLDCNT = 0x3F40;
+    REG_BLDALPHA = 0x1000;
+    sprite->data[0] = 4;
+    sprite->callback = sub_812C380;
+}